Datasheet > 驱动程序和接口 > MOSFET 驱动器> SC1405B

SC1405B

更新时间： 2024-02-11 19:31:35

品牌	Logo	应用领域
商升特 - SEMTECH		驱动器
页数	文件大小	规格书
13页	261K
描述
High Speed Synchronous Power MOSFET Smart Driver

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中文翻译

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技术参数
数据手册
替代型号

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SC1405B 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	TSSOP
包装说明：	TSSOP,	针数：	14
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.83
高边驱动器：	YES	接口集成电路类型：	HALF BRIDGE BASED MOSFET DRIVER
JESD-30 代码：	R-PDSO-G14	JESD-609代码：	e3
长度：	5 mm	功能数量：	1
端子数量：	14	最高工作温度：	125 °C
最低工作温度：		标称输出峰值电流：	2 A
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：	NOT SPECIFIED	认证状态：	Not Qualified
座面最大高度：	1.2 mm	最大供电电压：	6 V
最小供电电压：	4.15 V	标称供电电压：	5 V
表面贴装：	YES	温度等级：	OTHER
端子面层：	MATTE TIN	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	断开时间：	40 µs
接通时间：	72 µs	宽度：	4.4 mm
Base Number Matches：	1

SC1405B 数据手册

SC1405B

High Speed Synchronous Power

MOSFET Smart Driver

POWER MANAGEMENT

Features

Description

The SC1405B is a Dual-MOSFET Driver with an internal

Overlap Protection Circuit to prevent shoot-through. Each

driver is capable of driving a 3000pF load in 15ns rise/

fall time and has ULTRA-LOW propagation delay from in-

put transition to the gate of the power FET’s. Adaptive

Overlap Protection circuit ensures that the synchronous

FET does not turn on until the top FET source has reached

a voltage low enough to prevent shoot-through. The de-

lay between the bottom gate going low to the top gate

transitioning high is externally programmable via a ca-

pacitor to minimize dead time. The bottom FET may be

disabled at light loads by keeping S_MOD low to trigger

asynchronous operation, thus saving the bottom FET’s

gate drive current and inductor ripple current. An inter-

nal voltage reference allows threshold adjustment for

an Output Over-Voltage protection circuitry, independent

of the PWM controller.

Fast rise and fall times (15ns with 3000pf load)

14ns max. Propagation delay (BG going low)

Adaptive and programmable shoot-through

protection

Wide input voltage range (4.5-25V)

Power saving asynchronous mode control

Output overvoltage protection/overtemp shutdown

Under-Voltage lock-out and power ready signal

Less than 10µA stand-by current (EN=low)

Improved drive version of SC1405TS

High frequency (to 1.2MHz) operation allows use of

small inductors and low cost capacitors in place of

electrolytics

Applications

Under-Voltage-Lock-Out circuit is included to guarantee

that both driver outputs are off when Vcc is less than or

equal to 4.4V (typ) at supply ramp up (4.35V at supply

ramp down). A CMOS output provides status indication

of the 5V supply. A low enable input places the IC in stand-

by mode, reducing supply current to less than 10µA.

SC1405B is offered in a high pitch (.025” lead spacing)

TSSOP package.

High Density/Fast transient microprocessor power

supplies

Motor Drives/Class-D amps

High efficiency portable computers

Typical Application Circuit

INPUT POWER, 5-20V

MTB75N03

75A,30V

Vcc

5817

10uF,6.3V

.1uF

.22uF

1.7V@30A

P_READY

2.2

PWM IN

(20KHz-1MHz)

MTB75N03

75A,30V

SC1405

47pF

2.2

DSPS_DR

Over-Voltage Sense

<<< Output Feedback to PWM

Controller

www.semtech.com

Revision: January 13, 2004

12 3 4 5 6 7...13

中文翻译

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SC1405B 替代型号

型号	品牌	替代类型	描述	数据表
SC1405B.TR	SEMTECH	功能相似	Half Bridge Based MOSFET Driver, 3A, CMOS, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405BTR	SEMTECH	功能相似	Half Bridge Based MOSFET Driver, 2A, CMOS, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405TS.TR	SEMTECH	功能相似	HIGH SPEED SYNCHRONOUS POWER MOSFET SMART DRIVER

与SC1405B相关器件

型号	品牌	获取价格	描述	数据表
SC1405B.TR	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 3A, CMOS, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405B.TRT	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 3A, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405BT	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 2A, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405BTR	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 2A, CMOS, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405BTRT	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 2A, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405BTS.TR	SEMTECH	获取价格	High Speed Synchronous Power MOSFET Smart Driver
SC1405BTS.TRT	SEMTECH	获取价格	暂无描述
SC1405CTS.TR	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 3A, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405CTS.TRT	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 3A, PDSO14, 0.635 MM PITCH, MO-153AB1, TSSOP-14
SC1405CTST	SEMTECH	获取价格	Half Bridge Based MOSFET Driver, 2A, PDSO14, MO-153AB1, TSSOP-14

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